Pith Number

pith:VQTGZFSD

pith:2012:VQTGZFSDTT445NHTKC7IRUW7AV

not attested not anchored not stored refs pending

Ytterbium in quantum gases and atomic clocks: van der Waals interactions and blackbody shifts

Charles W. Clark, M. S. Safronova, S. G. Porsev

arxiv:1208.1456 v1 · 2012-08-07 · physics.atom-ph · cond-mat.quant-gas · physics.optics · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQTGZFSDTT445NHTKC7IRUW7AV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:55:22.137498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac266c96439cf9ceb4f350be88d2df054b33beda5928c74cc1c921747652dbde

Aliases

arxiv: 1208.1456 · arxiv_version: 1208.1456v1 · doi: 10.48550/arxiv.1208.1456 · pith_short_12: VQTGZFSDTT44 · pith_short_16: VQTGZFSDTT445NHT · pith_short_8: VQTGZFSD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/VQTGZFSDTT445NHTKC7IRUW7AV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ac266c96439cf9ceb4f350be88d2df054b33beda5928c74cc1c921747652dbde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34474952c9e4cfa5a9c1f6c9f41839c5b734cbd307efe56ff56b28815ef7ebee",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-08-07T16:07:48Z",
    "title_canon_sha256": "a50ece0f6d15f11eb54a9ff7fd81e00d270f03822e80dd4aaf3332b810ef0e61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1456",
    "kind": "arxiv",
    "version": 1
  }
}